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74ABT126 Datasheet(PDF) 4 Page - NXP Semiconductors |
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74ABT126 Datasheet(HTML) 4 Page - NXP Semiconductors |
4 / 10 page Philips Semiconductors Product specification 74ABT126 Quad buffer (3-State) 1998 Jan 16 4 DC ELECTRICAL CHARACTERISTICS LIMITS SYMBOL PARAMETER TEST CONDITIONS Tamb = +25°C Tamb = –40°C to +85 °C UNIT Min Typ Max Min Max VIK Input clamp voltage VCC = 4.5V; IIK = –18mA –0.9 –1.2 –1.2 V VCC = 4.5V; IOH = –3mA; VI = VIL or VIH 2.5 2.9 2.5 V VOH High-level output voltage VCC = 5.0V; IOH = –3mA; VI = VIL or VIH 3.0 3.4 3.0 V VCC = 4.5V; IOH = –32mA; VI = VIL or VIH 2.0 2.4 2.0 V VOL Low-level output voltage VCC = 4.5V; IOL = 64mA; VI = VIL or VIH 0.35 0.55 0.55 V II Input leakage current VCC = 5.5V; VI = GND or 5.5V ±0.01 ±1.0 ±1.0 µA IOFF Power-off leakage current VCC = 0.0V; VO or VI ≤ 4.5V ±5.0 ±100 ±100 µA IPU/IPD Power-up/down 3-State output current3 VCC = 2.1V; VO = 0.5V; VI GND or VCC; V OE = Don’t care ±5.0 ±50 ±50 µA IOZH 3-State output High current VCC = 5.5V; VO = 2.7V; VI = VIL or VIH 1.0 50 50 µA IOZL 3-State output Low current VCC = 5.5V; VO = 0.5V; VI = VIL or VIH –1.0 –50 –50 µA ICEX Output High leakage current VCC = 5.5V; VO = 5.5V; VI = GND or VCC 5.0 50 50 µA IO Output current1 VCC = 5.5V; VO = 2.5V –50 –100 –180 –50 –180 mA ICCH VCC = 5.5V; Outputs High, VI = GND or VCC 65 250 250 µA ICCL Quiescent supply current VCC = 5.5V; Outputs Low, VI = GND or VCC 12 15 15 mA ICCZ VCC = 5.5V; Outputs 3–State; VI = GND or VCC 65 250 250 µA Outputs enabled, one data input at 3.4V, other inputs at VCC or GND; VCC = 5.5V 0.5 1.5 1.5 mA ∆ICC Additional supply current per input pin2 Outputs 3-State, one data input at 3.4V, other inputs at VCC or GND; VCC = 5.5V 50 250 250 µA Outputs 3-State, one enable input at 3.4V, other inputs at VCC or GND; VCC = 5.5V 0.5 1.5 1.5 mA NOTES: 1. Not more than one output should be tested at a time, and the duration of the test should not exceed one second. 2. This is the increase in supply current for each input at 3.4V. 3. This parameter is valid for any VCC between 0V and 2.1V, with a transition time of up to10msec. From VCC = 2.1V to VCC = 5V ± 10%, a transition time of up to 100 µsec is permitted. AC CHARACTERISTICS GND = 0V; tR = tF = 2.5ns; CL = 50pF, RL = 500Ω LIMITS SYMBOL PARAMETER WAVEFORM Tamb = +25°C VCC = +5.0V Tamb = –40°C to +85°C VCC = +5.0V ±0.5V UNIT Min Typ Max Min Max tPLH tPHL Propagation delay An to Yn 1 1.0 1.0 2.9 3.0 4.2 4.3 1.0 1.0 4.4 4.6 ns tPZH tPZL Output enable time to High and Low level 2 1.9 1.9 3.2 4.4 5.8 5.9 1.9 1.9 6.5 6.5 ns tPHZ tPLZ Output disable time from High and Low level 2 1.0 1.0 4.2 2.9 5.2 4.9 1.0 1.0 5.8 5.5 ns |
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